News Article

Toyoda And Lumileds Agree Deal To Share Patents

Two of the "big 5" LED chip manufacturers say that their patent agreement will help to accelerate the development of higher-brightness LEDs.

LED manufacturers Toyoda Gosei and Lumileds Lighting have signed a deal allowing the two companies mutual access to some of their key chip technologies.

Under the deal, Japan-based Toyoda will be able to use Lumileds AlGaInP technology for high-brightness red LEDs, while the two firms will share valuable intellectual property relating to GaN-based blue emitters.

According to a joint statement issued by Toyoda and "Philips Lumileds", as Lumileds is now known, the agreement will allow the two companies more freedom in their development efforts.

"By facilitating research at both companies, new developments in LED technology are anticipated, including an acceleration of research to improve the luminosity of LEDs."

According to a report in the Japanese newspaper Nihon Keizai Shimbun, Toyoda has seen a significant drop in sales of LEDs over the past couple of years, and the development of brighter chips for general lighting applications is seen as a key part of its plan to turn around the business.

The patent share is the latest in a number of similar agreements struck up by leading LED makers in recent years. However, Philips Lumileds remains engaged in a legal battle with Taiwan-based Epistar regarding certain critical process technologies relating to AlGaInP chips (see related story).

The US-based International Trade Commission is investigating the issue and could enforce trading restrictions against Epistar if it finds in favor of Lumileds.

CS International to return to Brussels – bigger and better than ever!

The leading global compound semiconductor conference and exhibition will once again bring together key players from across the value chain for two-days of strategic technical sessions, dynamic talks and unrivalled networking opportunities.

Join us face-to-face between 28th – 29th June 2022

  • View the agenda.
  • 3 for the price of 1. Register your place and gain complementary access to TWO FURTHER industry leading conferences: PIC International and SSI International.
  • Email  or call +44 (0)24 7671 8970 for more details.

*90% of exhibition space has gone - book your booth before it’s too late!


Search the news archive

To close this popup you can press escape or click the close icon.
Register - Step 1

You may choose to subscribe to the Compound Semiconductor Magazine, the Compound Semiconductor Newsletter, or both. You may also request additional information if required, before submitting your application.

Please subscribe me to:


You chose the industry type of "Other"

Please enter the industry that you work in:
Please enter the industry that you work in:
Live Event